<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>R: Panel Data of Individual Wages</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="R.css">
</head><body>

<table width="100%" summary="page for Wages"><tr><td>Wages</td><td align="right">R Documentation</td></tr></table>

<h2>Panel Data of Individual Wages</h2>

<h3>Description</h3>


<p>A panel of 595 observations from 1976 to 1982, taken from the     Panel Study of Income Dynamics (PSID).    
</p>
<p><EM>total number of observations</EM> :  4165
</p>
<p><EM>observation</EM> :  individuals
</p>
<p><EM>country</EM> :  United States
</p>


<h3>Usage</h3>

<pre>data(Wages)</pre>


<h3>Format</h3>

<p>A data frame containing:
</p>

<dl>
<dt>exp</dt><dd><p>years of full-time work experience.</p>
</dd>
<dt>wks</dt><dd><p>weeks worked.</p>
</dd>
<dt>bluecol</dt><dd><p>blue collar?</p>
</dd>
<dt>ind</dt><dd><p>works in a manufacturing industry?</p>
</dd>
<dt>south</dt><dd><p>resides in the south?</p>
</dd>
<dt>smsa</dt><dd><p>resides in a standard metropolitan statistical area?</p>
</dd>
<dt>married</dt><dd><p>married?</p>
</dd>
<dt>sex</dt><dd><p>a factor with levels <code>"male", "female"</code></p>
</dd>
<dt>union</dt><dd><p>individual's wage set by a union contract?</p>
</dd>
<dt>ed</dt><dd><p>years of education.</p>
</dd>
<dt>black</dt><dd><p>is the individual black?</p>
</dd>
<dt>lwage</dt><dd><p>logarithm of wage.</p>
</dd>
</dl>



<h3>Source</h3>


<p>Online complements to Baltagi (2001).
</p>
<p><a href="http://www.wiley.com/legacy/wileychi/baltagi/">http://www.wiley.com/legacy/wileychi/baltagi/</a>
</p>


<h3>References</h3>


<p>Baltagi, Badi H. (2003) <EM>Econometric Analysis of Panel Data</EM>, 2nd ed., John Wiley and Sons.
</p>
<p>Cornwell, C. and  P. Rupert (1988) &ldquo;Efficient estimation with panel data: an empirical comparison of instrumental variables estimators&rdquo;, <EM>Journal of Applied Econometrics</EM>, <B>3</B>, 149&ndash;155.
</p>


</body></html>
